85857805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 115671168

約数和(自身を除く): 29813363

約数列:

[1, 5, 11, 55, 61, 157, 163, 305, 671, 785, 815, 1727, 1793, 3355, 8635, 8965, 9577, 9943, 25591, 47885, 49715, 105347, 109373, 127955, 281501, 526735, 546865, 1407505, 1561051, 7805255, 17171561, 85857805]

約数ペア:

[(1, 85857805), (5, 17171561), (11, 7805255), (55, 1561051), (61, 1407505), (157, 546865), (163, 526735), (305, 281501), (671, 127955), (785, 109373), (815, 105347), (1727, 49715), (1793, 47885), (3355, 25591), (8635, 9943), (8965, 9577)]